CN101246293B - Image stabilization unit, image stabilization device, and imaging apparatus - Google Patents
Image stabilization unit, image stabilization device, and imaging apparatus Download PDFInfo
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- CN101246293B CN101246293B CN2008100030266A CN200810003026A CN101246293B CN 101246293 B CN101246293 B CN 101246293B CN 2008100030266 A CN2008100030266 A CN 2008100030266A CN 200810003026 A CN200810003026 A CN 200810003026A CN 101246293 B CN101246293 B CN 101246293B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
- G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
Abstract
The invention provides an image blurring correction unit for stabilizing signal output from sensor for location detection, an image blurring correction device having the image blurring correction unit, and an image apparatus having the image blurring correction device. By regulating movement of first and second arms 231 A and 241 A only in an optical axis direction using guide members EN 1 and EN 2 , magnetic forces received from a first magnet 243 A and a second magnet 233 A which expand horizontally with respect to the optical axis can be stably detected by using a first sensor 2341 A held in a first arm and a second sensor 2441 A held by a second arm.
Description
Technical field
The present invention relates to tremble the image blur correcting unit that correcting mechanism goes for the camera heads such as mobile phone of digital camera for example or subsidiary camera, the camera that possesses the image blur correction device of this image blur correcting unit and possess this image blur correction device as hand.
Background technology
In the past, in digital camera etc., the unintelligible of the photographs that causes such as trembled by user's hand, and adopted various hands to tremble correcting mechanism (with reference to patent documentation 1,2,3) in order to suppress.
Tremble correcting mechanism as such hand, have employing according to will keep module along pitching direction and yawing moment rotate freely mode, the hand that is called so-called universal (gimbal) mechanism trembles correcting mechanism.
Yet, above-mentioned patent documentation 1 disclosed omnidirectional mechanism, the swivel adapter head that rotates freely etc. need be configured in 4 places up and down that keep module, so, in any case and hand is trembled the tendency that correcting mechanism also has maximization, and, if seek miniaturization limpingly, the unfavorable condition with the fragilityizatioies such as bearing portion of above-mentioned swivel adapter head is arranged then.
Therefore, when any the axle point along the periphery that keeps module supports in freely the mode of shaking, be situated between respectively by along the periphery of this maintenance module, the 1st drive point that each comfortable different mutually the 1st direction and the 2nd direction are left above-mentioned axle point and the drives structure that the 2nd drive point drives above-mentioned maintenance module, in first to file, be considered in that special Willing 2006-269712 number that is proposed by the applicant, special Willing 2006-269713 number, special Willing 2006-269714 number, special Willing 2006-26915 number etc. are undocumented.If realize such drives structure, then can realize the miniaturization of image blur correcting unit, thereby can be loaded on the mobile device.
Figure 11 is that expression is considered to be loaded into mobile device and sought the figure of other examples of the image blur correcting unit 2 of miniaturization.
The figure of other routine image blur correcting units 2 that expression is seen from right oblique upper in Figure 11.Representing in this Figure 11 has: the inscape of this image blur correcting unit 2, the maintenance module 20 that keeps photographic lens 10 and the supporter 21 that will keep module 20 to support in the mode of shaking freely at axle point PB.
As shown in figure 11, on supporter 21 in order to make the relevant rotation of yawing moment that keeps module 20 be equipped with the 1st driving mechanism 23 along the right flank that keeps module 20 freely, and for make the relevant rotation of the pitching direction that keeps module 20 freely and along keep module 20 below the 2nd driving mechanism 24 is equipped with.
In these the 1st driving mechanisms 23 and the 2nd driving mechanism 24, possess respectively have coil 234,244 and magnet 233,243, magnet 233,243 to be fixed on from supporter 21 along the right flank that keeps modules 20 or keep module below and the support component 210,211 that extends.
On the other hand, coil 234,244 and link with the maintained arm ARM1 of mode, the ARM2 that moves with respect to supporter 21 freely, these arms ARM1, ARM2 leading section separately engage with maintenance module 20 at drive point D1, D2.
Engaging herein, spherical engaging part Q1, the Q2 set by drive point D1, the D2 of arm ARM1, ARM2 side are realized by the set recess of drive point D1, D2 that spring SP 1, SP2 are pressed into maintenance module 20 sides.
Under the situation of the formation of Figure 11, for example, when this image blur correcting unit is assembled in image blur correction device, and when making coil 234,244 energisings by current signal from the control part that this image blur correcting unit possessed, electromagnetic force interacts between coil 234,244 and magnet 233,243, thereby by coil 234,244 motions, each arm ARM1, ARM2 are with these coil 234,244 motions, keep module 20 2 drive point D1, D2 difference individual drive thus, keep module 20 to shake so make on all.In addition, 2 coils 234,244 of Figure 11 are the coil substrate that forms coil on the substrate, and these coil substrates are set in relative magnet 243,233 modes arranged side by side respectively.And, the image blur correcting unit of Figure 11 is not to have such open loop that is used in the patent documentation 4 to control, but is used for the unit of FEEDBACK CONTROL, therefore, position on coil substrate for can the magnetic test coil substrate motion time is equipped with sensor such as Hall element HD1, HD2 etc. respectively.These sensors HD1, HD2, together moving and make at each coil substrate and arm keeps module 20 when drive point D1, D2 drive, the variation of the magnetic force that detection is subjected to from magnet 233,243, and the size of detected magnetic force exported as position signalling.
Yet, in the formation of above-mentioned picture correcting unit, because with the leading section of the arm ARM1, the ARM2 that keep module 20 to engage is respectively free (free) structure, therefore, at 2 drive points (the 1st drive point D1 and the 2nd drive point D2) when keeping the driving of module 20 simultaneously, in the motion of arm ARM1 that drive point D1 or D2 by the either party drive or ARM2, elicit arm ARM2 that drive point D2 or D1 by an other side drive or the motion of ARM1 sometimes.If such situation takes place, then make sensor on the coil substrate that the arm by an other side keeps and the variable in distance between the magnet, thereby sensor HD1 on the coil substrate that is kept by arm sometimes or the output of HD2 become unstable along with the motion of a side arm.
When the output of these sensors HD1, HD2 is unstable, when this image blur correcting unit is assembled in image blur correction device, the position of magnetic test coil substrate correctly can not be come by the control part that image blur correction device possessed, thereby the control of the posture of module can not be kept definitely.
[patent documentation 1] Japanese kokai publication hei 7-274056 communique
[patent documentation 2] TOHKEMY 2005-326807 communique
No. 2612371 communique of [patent documentation 3] Japan special permission
[patent documentation 4] TOHKEMY 2006-295553 communique
Summary of the invention
The present invention is in view of foregoing, its purpose is, provide a kind of realized from position probing with the image blur correcting unit of the stabilization of signal of sensor, possess the image blur correction device of this image blur correcting unit and possess the camera of this image blur correction device.
The image blur correcting unit of the present invention that is used to achieve the above object is characterized in that possessing:
The maintenance module that keeps lens;
Support component, it has the support portion, and this support portion is supported in the mode of shaking towards any direction freely above-mentioned maintenance module at any the axle point along the periphery of this maintenance module; With
2 driving mechanisms, its by will along the periphery of above-mentioned maintenance module, constituting towards the 1st driving mechanism and the 2nd driving mechanism that optical axis direction drives with the 1st drive point and the 2nd drive point that the 1st direction different mutually when optical axis direction is different and the 2nd direction are left above-mentioned axle point respectively
Above-mentioned the 1st driving mechanism comprises:
The 1st arm, it supports above-mentioned the 1st drive point in the mode of rotating freely;
The 1st coil, it is kept by above-mentioned the 1st arm, is subjected to the effect of magnetic force and energising and generates the driving force of optical axis direction, so that the 1st arm drives above-mentioned the 1st drive point at optical axis direction;
The 1st magnet is kept by above-mentioned support component, makes magneticaction in above-mentioned the 1st coil, with respect to the optical axis horizontal extension;
The 1st guide member is fixed in above-mentioned support component, according to the 1st application point of above-mentioned the 1st arm along the mode that optical axis direction moves, guide the 1st arm, the 1st application point is given driving force to above-mentioned the 1st drive point,
Above-mentioned the 2nd driving mechanism comprises:
The 2nd arm, it supports above-mentioned the 2nd drive point in the mode of rotating freely;
The 2nd coil, it is kept by above-mentioned the 2nd arm, is subjected to the effect of magnetic force and energising and generates the driving force of optical axis direction, so that the 2nd arm drives above-mentioned the 2nd drive point at optical axis direction;
The 2nd magnet is kept by above-mentioned support component, makes magneticaction in above-mentioned the 2nd coil, with respect to the optical axis horizontal extension;
The 2nd guide member is fixed in above-mentioned support component, according to the 2nd application point of above-mentioned the 2nd arm along the mode that optical axis direction moves, guide the 2nd arm, the 2nd application point is given driving force to above-mentioned the 2nd drive point,
Also possess:
The 1st sensor is supported by above-mentioned the 1st arm, detects the variation from the suffered magnetic force of above-mentioned the 1st magnet, and the 1st arm when this variations drives above-mentioned the 1st drive point based on the 1st arm is mobile optical axis direction; With
The 2nd sensor is supported by above-mentioned the 2nd arm, detects the variation from the suffered magnetic force of above-mentioned the 2nd magnet, and the 2nd arm when this variations drives above-mentioned the 2nd drive point based on the 2nd arm is mobile optical axis direction.
According to the image blur correcting unit of the invention described above, above-mentioned the 1st coil and above-mentioned the 2nd coil are subjected to the effect and the energising of magnetic force respectively, and make above-mentioned the 1st arm and the 2nd arm drive above-mentioned maintenance module at optical axis direction respectively, keep module to shake thereby make.
Like this, both sides' arm is all guided by the guide sections part and is parallel to optical axis direction motion, so, elicit the phenomenon of motion of an other side's arm in the motion of not such up to now arm a side.
Like this, when above-mentioned the 1st arm, above-mentioned the 2nd arm are parallel to optical axis direction respectively and move, the 1st arm and keep certain with respect to the distance between the 1st magnet of this optical axis direction horizontal extension, same, the distance between above-mentioned the 2nd arm and the 2nd magnet keeps necessarily.
Its result, the 1st arm when being supported, being detected the 1st arm and drive the 1st drive point by above-mentioned the 1st arm is at the 1st sensor of the mobile caused variation from the suffered magnetic force of the 1st magnet of optical axis direction, the 2nd arm when being supported, being detected the 2nd arm by above-mentioned the 2nd arm and drive the 2nd drive point is at the 2nd sensor of the mobile caused variation from the suffered magnetic force of the 2nd magnet of optical axis direction, and output separately becomes stable.
As described above, realized seeking from the image blur correcting unit of position probing with the stabilization of signal of sensor.
At this, as preferably, above-mentioned maintenance module not only keeps lens, and keeps catching object light and the imageing sensor that generates picture signal.
Above-mentioned maintenance module is if only keep lens then to keep the structure of imageing sensor at the just other needs of the rear end that keeps module, but above-mentioned maintenance module is if not only keep lens and keep imageing sensor, then constitutes to become easily and can seek miniaturization and can be loaded on the small type mobile devices.
And, as preferably, above-mentioned the 1st drive point and above-mentioned the 2nd drive point at the line segment that connects the 1st drive point and above-mentioned axle point and the line segment that is connected the 2nd drive point and above-mentioned axle point mutually with slightly each position formation of 90 angular cross of spending.
Like this, by driving above-mentioned maintenance module as driving shaft independently respectively with above-mentioned the 1st and above-mentioned the 2nd, just can will keep module to be in various postures, so, when formation possesses this image blur correcting unit and hand and trembles the image blur correction device of detecting sensor, according to tremble the shake that test section detects by this hand, can be that any posture is to eliminate this shake with keeping the stance adjustment of module.
And, can have spherical protuberance at above-mentioned axle point by above-mentioned maintenance module, above-mentioned support component has the spherical concave surface that bears this protuberance in above-mentioned support portion,
Above-mentioned maintenance module, has spherical protuberance respectively at above-mentioned the 1st drive point and above-mentioned the 2nd drive point, above-mentioned the 1st arm and above-mentioned the 2nd arm, possess each the spherical recess that bears each protuberance that the 1st drive point and the 2nd drive point possessed respectively at above-mentioned the 1st application point and above-mentioned the 2nd application point, the 1st arm and the 2nd arm are situated between and apply driving force by each recess to each protuberance and also can.
Like this, simplified and miniaturization in order to make the bearing arrangement that keeps module to shake the part of required drive point, so, seek all miniaturizations of image blur correcting unit aspect, can obtain bigger effect.
And the image blur correction device of the invention described above that achieves the above object is the image blur correction device that possesses the described image blur correcting unit of claim 1, it is characterized in that, also possesses:
Detect the shake test section of shake; With
The shake control part according to the testing result of above-mentioned shake test section, makes the above-mentioned maintenance module of above-mentioned 2 driving mechanism rotating drive.
And the camera of the invention described above that achieves the above object is characterized in that, possesses the described image blur correction device of claim 6, catches subject and generates by the action of this image blur correction device and reduce view data after the shake.
According to image blur correction device of the present invention, realized seeking from position probing with the image blur correcting unit of the stabilization of signal of sensor, possess the image blur correction device of this image blur correcting unit and possess the camera of this image blur correction device.
Description of drawings
Fig. 1 is the stereoscopic figure of digital camera of an embodiment of the employing image blur correcting unit of the present invention seen from oblique upper.
Fig. 2 is the back view of digital camera shown in Figure 1.
Fig. 3 is the functional block diagram of Fig. 1, digital camera shown in Figure 2.
Fig. 4 is the figure of an embodiment of expression image blur correcting unit of the present invention.
Fig. 5 is the figure of the supporting construction of explanation coil 234A, 244A.
Fig. 6 is the exploded view after the image blur correcting unit of Fig. 4 decomposes.
Fig. 7 is how explanation draws the figure of flexible substrate 200A from keeping module 20A.
Fig. 8 is the stereographic map of support component 21A that the image blur correcting unit 2A of the formation of Fig. 7 of seeing from positive oblique upper the is possessed state when being fixed in support portion BASE in the mobile device.
Fig. 9 is the figure of the action of explanation image blur correcting unit 2A.
Figure 10 is the figure that the formation of the mobile phone that is suitable for the subsidiary camera that above-mentioned image blur correcting unit 2A is arranged is described.
Figure 11 is that expression is considered to be loaded into mobile device and will be sought other the figure of example of the image blur correcting unit 2 of miniaturization.
Among the figure: 1-digital camera, 10-imaging lens system, 2A-image blur correcting unit, 20A-keeps module, 200A-flexible substrate, 1201A-sensor base plate, 202A, 203A, 21A-support component, 211A, 212A-alar part, 22A-axle point, 23A-the 1st driving mechanism, 231A-arm, 233A-magnet, the 234A-coil, 24A-the 2nd driving mechanism, 241A-arm, 243A-magnet, the 244A-coil, D1-the 1st drive point, D2-the 2nd drive point, 311-the 1st angular-rate sensor, 312-the 2nd angular-rate sensor, 321-the 1st control part, 322-the 2nd control part.
Embodiment
Below, describe image blur correcting unit of the present invention in detail and possess the preferred implementation of the image blur correction device of this image blur correcting unit with reference to Fig. 1～Fig. 9.And, the embodiment of the following stated is the concrete example that possesses image blur correcting unit of the present invention and possess the image blur correction device of its image blur correcting unit, though preferred all restrictions are arranged at technical elements, but, in the following description, the record of short of special restriction content of the present invention, scope of the present invention is not limited to these modes.
Fig. 1 is the stereoscopic figure of digital camera of an embodiment of employing image blur correcting unit of seeing from oblique upper of the present invention and the image blur correction device that possesses this image blur correcting unit.
Fig. 2 is the back view of digital camera shown in Figure 1.
Be provided with viewfinder 14, liquid crystal display picture 15 at the back side of digital camera shown in Figure 21, operated mode switch button 16, and power switch 17 when the mode switch of this digital camera 1.And the image that this digital camera 1 has the photograph mode of the pattern that is used for subject photography and will be recorded in non-volatile RAM305 (with reference to Fig. 3) is presented at the regeneration mode of the pattern of liquid crystal display picture 15.
And representing in Fig. 2 has: operated ' OK/ cancellation ' button 18 when the photographs whether photography back decision will be presented at liquid crystal display picture 15 is recorded in RAM305.
Fig. 3 is the functional block diagram that is mounted with the digital camera of image blur correction device.
Expression has A/D303, CPU300, ROM302, RAM305, imaging signal processing circuit 306, video encoder 307 and media controller 309 in Fig. 3, and being situated between is each other interconnected by bus.And CUP300 is situated between with imaging apparatus 30 and is connected by timing generator 301.In addition, the 1st angular-rate sensor the 311, the 2nd angular-rate sensor 312 that is equivalent to input equipment is connected to CPU300, and the 1st control part the 321, the 2nd control part 322 that is equivalent to output device is connected to CPU300.The 1st control part 321 and the 2nd control part 322, coil 234A, the 244A energising that image blur correcting unit 2A is possessed according to the detection signal of the 2nd angular-rate sensor the 311, the 2nd angular-rate sensor 312 is with the 1st, the 2nd angular-rate sensor 311,312 composing images shake blur correcting apparatus together.And, be connected with the button group of release-push 12 or mode button 16 etc. at CPU300.
CPU110 has the function of carrying out various programs, according to push-botton operation or control all actions of this digital camera from the input signal of sensor.Store the various programs of being carried out by CPU110 or carry out the needed various constants of these various programs at ROM111, CPU110 is being to use under the workload field and implementation with RAM305 with ROM111 institute program stored.
A/D circuit 304 is received the supply of the picture signal that is produced by imaging apparatus 30 and is transformed into digital signal and picture signal is sent to bus, and 306 pairs of picture signals that are transmitted via bus of imaging signal processing circuit are carried out picture signal and handled.
When the release-push 12 of the digital camera 1 of holding such formation is operated, generates view data and be stored in recording medium 310 in inside implementation photograph processing.
At this, the hand that digital camera 1 is possessed is trembled compensating device and is elaborated.
As shown in Figure 3, on this digital camera 1, possess the 1st angular-rate sensor 311 that is useful on the angular velocity that detects so-called pitching direction, be used to detect the 2nd angular-rate sensor 312 of the angular velocity of perpendicular so-called yawing moment, from the 1st angular- rate sensor 311 and 312 outputs of the 2nd angular-rate sensor and separately the corresponding signal of the angular velocity that sensor detected.
In this digital camera 1, in the timing stipulated time of being pressed entirely from release-push 12, according to the signal of exporting respectively from the 1st angular-rate sensor 311 and the 2nd angular-rate sensor 312, CPU300 decision pitching direction and yawing moment amount of jitter separately.In addition, utilize the determining method of the amount of jitter of angular-rate sensor to be technique known, so omit explanation.
CPU300 sends signal based on detected amount of jitter respectively to the 1st control part 321 shown in Figure 3 and the 2nd control part 322
Hand based on the pairing signal of this amount of jitter is trembled revisal, by with in the image blur correcting unit described later by the optical axis of the imaging lens system 10 that keeps module 20A to keep, promptly keep the direction of module 20A, carry out towards the direction of offsetting the shake that is detected.Make this maintenance module 20A when offsetting the direction of the shake that is detected, CPU300 monitors self-sustaining the signal of sensor that image blur correcting unit possessed that keeps module 20A, and control correctly keeps the posture of module 20A.
And, by the 1st coil 234A shown in the right side of the 1st control part 321 and 322 couples of Fig. 4 of the 2nd control part and with the direction of current and the size of the 2nd coil 244A of the 1st coil 234A identical type energising, the control that can keep the direction of module 20.
At this, an embodiment of the structure of so-called image blur correcting unit 2A among the present invention is described.
Fig. 4 is the figure of the embodiment of the image blur correcting unit 2A that possessed of the digital camera 1 shown in the presentation graphs 1,2.
Expression has the figure of the image blur correcting unit 2A of the present embodiment of seeing from the front in Fig. 4.Representing in Fig. 4 has: the inscape of this image blur correcting unit 2A, for the rotation that the yawing moment that keeps module 20A is relevant freely and the 1st driving mechanism 23A that possesses at the right flank that keeps module 20A; For the rotation of the pitching direction that will keep module 20A freely and the 2nd driving mechanism 24A that on keep module 20A, possesses; To keep module 20A to shake the some 22A that mode freely supports towards pitching direction and yawing moment with respect to support component 21A; Be arranged at a part that keeps module 20A, the 1st drive point D1 that the recess 2311A of the 1st arm 231A that possessed by spherical protuberance 201A and the 1st driving mechanism 23A of being situated between engages; The 2nd drive point D2 that the recess 2411A of the 2nd arm 241A that is possessed by spherical protuberance 202A and the 2nd driving mechanism 24A with same Jie engages.And, as mentioned above,, when keeping lens 10, keep catching object light and the imageing sensor that generates picture signal at the maintenance module 20A of present embodiment.
Structure with reference to Fig. 4 simple declaration image blur correcting unit 2A.
At first, possess the support component 21A with support portion 210A, this support portion can be supported in the mode of shaking towards any direction freely above-mentioned maintenance module 20A at any the axle point 22A along the periphery of this maintenance module 20A.Support portion 210A at this support component 21A is provided with spherical concave surface, and the protuberance that forms at the axle point 22A that keeps module 20A engages with this concave surface.
And, in the middle of above-mentioned support component 21A places above-mentioned support portion 22A, extend towards the 1st direction and the 2nd direction respectively, and have the 1st alar part 211A and the 2nd alar part 212A that keeps the 1st driving mechanism 23A and the 2nd driving mechanism 24A respectively.In this embodiment, from Fig. 4 also as can be known, above-mentioned the 1st drive point D1 and above-mentioned the 2nd drive point D2, mutual to omit each position formation of 90 angular cross of spending at the 1st drive point D1 that links above-mentioned the 1st direction of regulation and axle point 22A the 2nd with the 1st that is connected above-mentioned the 2nd drive point D2 that stipulate above-mentioned the 2nd direction and axle point 22A.In addition, the part that contacts with recess 2311A at the protuberance 201A that constitutes each drive point D1, D2 shown in Figure 4, owing to must support keeping shaking of module 20A when being situated between by these drive points D1, D2 driving maintenance module 20A, so, adopt the structure that protuberance 201A is flexibly pressed on recess 2311A by compression spring SP1, SP2.
At this, the formation of 2 driving mechanism 23A, 24A is described respectively with reference to Fig. 4.
Possessing in 2 driving mechanism 23A, 24A has: form magnet 233A, 243A magnetic field, that supported by support component 21A and be disposed in the magnetic field to rotate by energising and drive coil 234A, the 244A of the power that keeps module 20A.When each magnet 233A, the 243A that constitutes these the 1st driving mechanism 23A and the 2nd driving mechanism 24A supported regularly by support component 21A respectively, each coil 234A, the 244A that constitutes the 1st driving mechanism 23A and the 2nd driving mechanism 24A supported by support component 21A in the mode that the optical axis direction (perpendicular to the direction of paper) towards lens 10A moves respectively freely, and each coil 224A, 234A are switched on and produce the power of optical axis direction.At this, as mentioned above, 2 arm 231A, 241A setting at the 1st alar part 211A and the 2nd alar part 212A of formation support component 21A install each coil 234A, 244A respectively, according to setting magnet 233A, 243A with these coils 234A, the opposed mode of 244A, each coil 234A, 244A are supported respectively in the mode that moves freely by support component 21A thus.
At this, illustrate in order to make coil 234A, 244A bring into play power to greatest extent in the magnetic yoke structure that between coil 234A, 244A and magnet 233A, 243A, constitutes magnetic circuit that driving mechanism adopted of present embodiment.In this embodiment, consider assembling simplicity and with yoke as segmenting structure.2 driving mechanisms are all identical formation, constitute so a side yoke is described.
Fig. 5 is the figure of explanation magnetic yoke structure.
As shown in Figure 5, in present embodiment, possess pair of magnetic yoke 236A, the 237A that is the コ word shape on all arranged.This pair of magnetic yoke is small-sized, so installation portion is not set, is adhered to support component 21A by bonding agent and is assembled into inside.
Pair of magnetic yoke 236A, 237A, have on the whole: magnet 233A and coil 234A are clipped in the middle and the pair of parallel plate of expansion and link pairing 1 limit of this pair of parallel plate connecting plate CON each other in parallel to each other, form slightly by accommodating magnet 233A and coil 234A and section on all that the parts of コ word shape constitute.In this embodiment, this pair of magnetic yoke 236A, 237A are divided into chimeric shape mutually by two near connecting plate CON.
By pair of magnetic yoke 236A, the 237A that adopts the shape after cutting apart like this, use bonding agent that the side 237A among pair of magnetic yoke 236A, the 237A is assembled in advance, and after assembling magnet 233A and the coil 234A, the opposing party's yoke 236A is assembled in the mode that embeds into pair of magnetic yoke, thus, can assemble driving mechanism simply.
And, under the situation of formation that is Fig. 5, after the assembling driving mechanism, even the magnetic force that magnetic field produced that is formed by the both sides of magnet 233A and coil 234A exceeds the bonding strength of the adhesive portion between yoke 237A and the support component 21A, because the pair of parallel plate is supported by web CON respectively, so yoke can not take place.
At this, turn back to the inscape that Fig. 4 illustrates yoke 236A, 237A driving mechanism in addition.
And, with 2 arm 231A, 241A is respectively when moving freely mode and support towards optical axis direction, the guide member EN0 that extends towards the optical axis direction of lens 10 is set near the above-mentioned support portion 210A of support component 21A, in the end of above-mentioned the 1st alar part 211A and the end of the 2nd alar part 212A the guide member EN1 that extends towards the optical axis direction of lens 10 is set simultaneously, EN2, and pass through with 3 guide member EN0, EN1, near the support portion among the EN2 guide member EN0 is with 2 arm 231A, in the time of the 241A together support with remaining guide member EN1, EN2 is with 2 arm 231A, the end of 241A is supported respectively, thus with each arm 231A, 241A with by each arm 231A, the coil 234A that 241A keeps, 244A supports towards the mode that optical axis direction moves freely together.
Thereby, 2 driving mechanism 23A, 24A, make to be situated between when keeping module 20 to move to make along guide member EN2 along guide member EN1 by the 1st drive point D1 by being situated between respectively to keep module 20 to move, can make to keep module 20 to shake towards optical axis direction by the 2nd drive point D2 towards optical axis direction.
And under the situation that constitutes each driving mechanism 23,24 as present embodiment, the 1st driving mechanism 23 and the 2nd driving mechanism 24 are for concentrating on the supported shape of alar part 211A, 212A of support component 21A respectively, so become all compact shapes that.
At this, describe the structure of each parts of the composing images shake blur correcting unit 2A of Fig. 6 in detail with reference to exploded view.
Fig. 6 is the exploded view after the image blur correcting unit of Fig. 4 decomposes.
In the image blur correcting unit of structure shown in Figure 11, because arm ARM1, each end of ARM2 is a free end, therefore, output problem of unstable with sensor of the position that is used for the magnetic test coil substrate, but in the present embodiment, along optical axis direction 2 guide member EN1 are set, EN2, and make each arm 231A, 2341A and these guide members EN1, the EN2 engaging, so that each arm 231A, the limit movement of 2341A is at optical axis direction, thereby can be with sensor 2341A, 2441A and magnet 233A, distance between the 243A remains necessarily, with the stabilization of the output of seeking sensor.
With reference to Fig. 6 description architecture.
The maintenance module 20A that represents to possess lens and imageing sensor in the lower left of Fig. 6.Any axle point 22A in the periphery that keeps module 20A along it is formed with spherical protuberance, along the periphery of this maintenance module 20A, leave the 1st a drive point D1 and the 2nd drive point D2 of axle point 22A in the 1st different mutually directions and the 2nd direction respectively, also be respectively equipped with spherical protuberance 201A, 202A.And, in Fig. 6,, protuberance 201A, 202A are being represented under the state that keeps module 20A to leave respectively for the shape of easy to understand component parts, still, as shown in Figure 4 protuberance 201A, 202A are assembled in maintenance module 20A respectively.And, expression has in the part that constitutes the 1st drive point D1, the 2nd drive point D2, keep shaking of module 20A in order can not only to stop, and accepting freely to make from the driving force of the 1st driving mechanism 23A and the 2nd driving mechanism 24A keeps module 20A to shake, lead to the axle that has protuberance 201A at front end and insert, and and it is assembled into the situation that keeps module 20A at the hollow bulb of compression spring SP1, SP2.
The support component 21A that supports this maintenance module 20A has support portion 210A, also possess simultaneously to have this support portion 210A is put middle and extend and keep respectively the 1st alar part 211A and the 2nd alar part 212A of the 1st driving mechanism 23A and the 2nd driving mechanism 24A respectively towards the 1st direction and the 2nd direction, on the 210A of this support portion, be provided with the concave surface of the protuberance of the axle point 22A that bears above-mentioned maintenance module 20A.Be sticked in the concave surface of support component 21A at the protuberance 22A that will keep module, set hole 231H1, the 241H1 in the side's of 2 arm 231A, the 241A that above-mentioned the 1st driving mechanism 23A and the 2nd driving mechanism 24A are possessed respectively end inserts logical guide member EN0 jointly simultaneously, and will insert under the situation of logical guide member EN1, EN2 respectively at hole 231H2, the 241H2 of the end of the opposition side of 2 arm 231A, 241A, as shown in Figure 4, will keep module 20 to support in the mode of shaking freely with respect to support component 21A.End at the opposition side of these 2 arm 231A, 241A, except that the hole 231H2, the 241H2 that insert logical guide sections part EN1, EN2, also be respectively equipped with recess 2311A, 2411A that the protuberance with drive point D1, the D2 of above-mentioned maintenance module 20A links, so, constitute drive point D1, D2 engaging with these recesses 2311A, 2411A respectively by protuberance 201A, the 202A that will keep module, to be kept under the situation that module 20 drives towards optical axis direction respectively by these drive points D1, D2 and be situated between, can put 22A with axle is that the center is shaken maintenance module 20.
Promptly, distinguishing holding coil 234A, 244A by above-mentioned 2 arm 231A, 241A, and recess 2311A, the 2411A of these 2 arm 231A, 241A are linked to respectively under the state that keeps each protuberance 201A, 202A that module 20A possessed, make 2 arm 231A, 241A respectively towards the moving of optical axis direction by the energising by coil 234A, 244A of being situated between, to keep module 20A be that the center is shaken with axle point 22A thereby make.
And, be energized formed magnetic field by the coil substrate 234A that is possessed by image blur correcting unit 2A and by the interaction between the formed magnetic field of magnet 233A, make arm 231A and coil substrate 234A together when optical axis direction moves, if do not know the position of coil substrate 234A, even then this correcting unit 2A is assembled in Fig. 1, in the digital camera shown in 2 etc., CPU300 shown in Figure 3 also can't use this image blur correcting unit 2A and successfully control hand and tremble, so, at coil substrate 234A, 244A is equipped with the Hall element 2341A that position probing is used respectively, 2441A, thus the posture that keeps module 20A can correctly be controlled. Hall element 2341A, 2441A shown in Figure 6, together move with coil 234A, 244A respectively, when making arm 231A, 241A drive maintenance module 20a, detect variation from the suffered magnetic force of magnet 233A, 243A, when arm 231A, 241A move towards optical axis direction along guide member EN1, EN2, detect from variation with respect to the magnetic force of magnet 243A, the 244A of this optical axis direction horizontal extension.
As mentioned above, in structure shown in Figure 11, because arm ARM1, the end of ARM2 is a free end, so magnet 233,243 and as the Hall element HD1 of sensor, the variable in distance of HD2, and make the output instability of sensor, but passing through guide sections part EN1, EN2 is with arm 231A, the limit movement of 241A is under the situation of optical axis direction, Hall element 2341A, 2441A and magnet 233A, distance between the 243A is certain, Hall element 2341A, 2441A only moves in the direction (direction of being represented by the arrow among the figure) that with respect to optical axis direction is level, so, signal stabilization ground is exported from sensor.
Yet, in image blur correcting unit 2A shown in Figure 4, also can prevent, protuberance and the engaging between the recess of drive point D1, D2 broken away from when digital camera shown in Figure 2 falls etc., keeps module 20A to break away from from support component 21A and make at Fig. 1.Otherwise image blur correcting unit can't move, and can not carry out hand and tremble revisal.
And, make stress put on flexible substrate 200A, also be necessary to prevent flexible substrate to break away from by keeping module 20A to shake from sensor base plate 201A by the method for drawing flexible substrate 200A from the sensor base plate 1201A that keeps module 20A to be possessed.Otherwise even supply with electric signal from control part side direction correcting unit, electric signal can not be communicated to image blur correcting unit, and makes image blur correcting unit be absorbed in the state of akinesia.
Therefore, in image blur correcting unit 2A shown in Figure 4, the outbound course of the flexible substrate 200A that concentrates on studies adopts the structure of adding movement limiting portion spare 202A, 203A according to the mode that keeps module 20A not break away from from support component 21A simultaneously.
Fig. 7 illustrates how from keeping module 20A to draw the figure of flexible substrate 200A.And Fig. 8 is the stereographic map of support component 21A that the image blur correcting unit 2A of the formation of Fig. 7 of seeing from positive oblique upper the is possessed state when being fixed on support portion BASE in the mobile device.
In Fig. 7 (a) expression have from directly over the figure of the image blur correcting unit 2A that sees, among Fig. 7 (b), represent to have the figure of the image blur correcting unit 2A that sees from the side.And, there is image blur correcting unit 2A to be assembled into support component 21 state before in Fig. 7 (c) expression.
At first, illustrate how the outbound course to flexible substrate 200A studies intensively.
Under the situation that the formed spherical protuberance of maintenance module 20A axle point 22A shown in Fig. 7 (c) is contacted with the formed concave surface in the support portion of support component 21A and engage, become the shape of 7 (a).
Shown in Fig. 7 (c), the end of this flexible substrate 200A is connected sensor base plate 1201A, the part of extending at least at first from this sensor base plate 201A from keeping module 20A toward the outer side, and is extended in the direction that the both sides with respect to the 1st direction and the 2nd direction tilt.
At this, the 1st drive point D1 and the 2nd drive point D2, connect the 1st drive point D1 and above-mentioned axle point the 2nd with is connected the 2nd drive point D2 and above-mentioned axle point 22A the 1st with slightly each position formation of 90 angular cross of spending mutually, the part of flexible substrate 200A from the initial extension of the sensor substrate, be the slightly direction extension of 45 degree from above-mentioned maintenance module 20A toward the outer side, and both sides with respect to the 1st direction and above-mentioned the 2nd direction.
Like this, can near shaking minimum axle point 22A, draw flexible substrate 200A sideling, so, even keep module 20A to shake, the stress that puts on flexible substrate 200A also can reduce, and just is difficult to take place the unfavorable condition that the connecting portion with sensor base plate 1201A breaks away from.And, also be difficult to break away from the connecting portion of the control part of the mobile device side that is assembled with this image blur correcting unit.
In addition, be assembled into the inside of Fig. 1, digital camera shown in Figure 2 at the image blur correcting unit 2A shown in Fig. 7 (a), and when support component 21A is fixed on the support portion BASE of mobile device inside of digital camera etc. as shown in Figure 8, for this image blur correcting unit 1A is broken away from from support component 21A and support portion BASE, movement limiting portion spare 202A, the 203A that will possess notch 2021A, 2031A shown in Figure 8 form tight side at support component 21A and support portion BASE with screw.
In this embodiment, as shown in Figure 8, otch 2021A, the 2031A of movement limiting portion spare 202A, 203A, to keep the moving range of the optical axis direction of module 20A, be limited in the retainable scope of engaging of the 1st drive point D1 and the 2nd drive point D2 each protuberance that possesses respectively and each recess that bears each protuberance.
For example, when keeping module 20A to come off to the lower side of Fig. 8, utilize following side 20211A, the 20311A of notch 2021A, the 2031A of movement limiting portion spare 202A, 203A to limit moving of maintenance module 20A, so, can prevent to keep module 20A to break away from from support component 21A and support portion BASE.On the contrary, when keeping module 20A to come off to the upper side of Fig. 8, upper face side 20211B, the 20311B of notch 2021A, 2031A by movement limiting portion spare 202A, 203A can limit and keep moving of module 20A, so, can prevent to keep module 20A to break away from from support component 21A and support portion BASE.
Just, even Fig. 1, the digital camera that the image blur correcting unit of Fig. 8 is housed in shown in Figure 2 drop, the protuberance of drive point D1, D2 and the engaging of recess also are in by the otch 2021A of movement limiting portion spare 202A, 203A, the state that 2031A keeps, thereby can prevent to keep module 20A to break away from from support component 21A and support portion BASE, so, pick up the digital camera that drops and just can carry out photography in image blurring correction immediately with this digital camera.
At last, the yawing moment of this image blur correcting unit, the rotational action of pitching direction are described.
Fig. 9 is the figure of the action of explanation image blur correcting unit.
In Fig. 9 (a), the stereographic map of the image blur correcting unit that expression is seen from positive oblique upper.And, the figure that expression is seen from the left side side of the stereographic map shown in Fig. 9 (a) in Fig. 9 (b) by the maintenance module 20A of the 2nd driving mechanism 24A after yawing moment drives.The figure that expression is seen from the left side side of the stereographic map shown in Fig. 9 (a) in Fig. 9 (c) by the maintenance module 20A of the 1st driving mechanism 23A after the pitching direction drives.The figure of maintenance module 20A after twocouese yawing moment, the pitching direction by the 1st driving mechanism 23A and the 2nd driving mechanism 24A that expression is seen from the left side side of the stereographic map shown in Fig. 9 (a) in Fig. 9 (d) drives together.
Shown in Fig. 9 (a),, will keep module 20A to support in the mode of shaking freely by the 1st driving mechanism 23A and the 2nd driving mechanism 24A that supports by support component 21A.
For example, when the both sides of the 1st driving mechanism 23A and the 2nd driving mechanism do not drive the maintenance module, support the limit A of the support component 21A that keeps module 20A and the limit B of sensor base plate 1201A and roughly be in parallel.
At this, when keeping module 20A to drive, shown in Fig. 9 (c), keep module 20A to rotate in the pitching direction by the 1st driving mechanism 23A.Under the situation of the state of watching this moment from the left side side of Fig. 9 (a), between the limit B of limit A that keeps module 20A and support component 21A, produce.
And, when keeping module 20A to drive, keep module 20A to tilt at yawing moment by the 2nd driving mechanism 24A.Under the situation of state of watching this moment from the left side side of Fig. 9 (a), shown in Fig. 9 (b), keep the interval between the limit C of the limit D of module 20A and support component 21A to enlarge keeping under the slightly parallel state.
In addition, driving mechanism 23A, 24A by both party drives when keeping module 20A simultaneously, shown in Fig. 9 (d), keep module 20A when rotating around the 1st, also around the 2nd, to rotate, thereby tilt with respect to the 1st shown in Fig. 9 (a) and the 2nd both sides.In Fig. 9 (d), though can not clearly represent this state, with the identical state of state that tilts in the pitching direction, by between the limit F of the limit of support component E and maintenance module, producing to tilt to represent.
That is,, keep module 20A, can make to keep module 20A to be in free position by utilizing the 1st driving mechanism 23A and the 2nd driving mechanism 24A to drive respectively according to above-mentioned image blur correcting unit 20A.
For example be provided at such image blur correcting unit under the situation of camera etc., tremble according to hand in any case and can both eliminate mode that this hand trembles and drive and keep module to come the revisal hand to tremble, thereby can obtain not have the distinct image of shaking.
At last, example when image blur correcting unit with present embodiment is applicable to the mobile phone of subsidiary camera is described.
Figure 10 is the figure of an example of formation of the mobile phone 200 of the expression subsidiary camera that is suitable for above-mentioned image blur correcting unit 2A.
The stereographic map that the surface of expression mobile phone 400 is arranged in Figure 10 (a) expression; The stereographic map that the back side of expression mobile phone 400 is arranged in Figure 10 (b) expression.
Constitute with reference to Figure 10 simple declaration.
The camera that possesses display frame 411, microphone 412, antenna 413 on the top 410 of this mobile phone 400 and be provided in the back side is with photographic lens 414 (Figure 10 (b)), and 420 possess operating key 421 and receiver 422 in the bottom.
Possessing camera with photographic lens 414 parts shown in Figure 10 (b), the illustrated image blur correcting unit 2A of Fig. 1～Fig. 9 is being installed.On the mobile device of this small-sized and thin type structure, also be suitable for image blur correcting unit of the present invention.
As described above, be implemented in the image blur correcting unit after the stress that flexible substrate applied that is connected with the sensor substrate, draw to the outside reduces, possess the image blur correction device of this image blur correcting unit, and the camera that possesses this image blur correction device.
And, at above-mentioned embodiment, represented image blur correction device is applicable to the situation of camera head, but be assembled with at camera and duplicating machine etc. on other optical devices of optical system, obviously also can load this device.And, be not limited to spring as described above for extensible member, so long as retractile parts use other parts also passable.
Claims (7)
1. image blur correcting unit possesses:
The maintenance module that keeps lens;
Support component, it has the support portion, and this support portion is supported in the mode of shaking towards any direction freely above-mentioned maintenance module at any the axle point along the periphery of this maintenance module; With
2 driving mechanisms, its be with along the periphery of above-mentioned maintenance module, on the 1st different with optical axis direction and also different mutually directions and the 2nd direction, leave the 1st drive point of above-mentioned axle point and the 1st driving mechanism and the 2nd driving mechanism that the 2nd drive point drives towards optical axis direction respectively
Above-mentioned the 1st driving mechanism comprises:
The 1st arm, it supports above-mentioned the 1st drive point in the mode of rotating freely;
The 1st coil, it is kept by above-mentioned the 1st arm, is subjected to the effect of magnetic force and energising and generates the driving force of optical axis direction, so that the 1st arm drives above-mentioned the 1st drive point at optical axis direction;
The 1st magnet is kept by above-mentioned support component, makes magneticaction in above-mentioned the 1st coil, with respect to optical axis, and horizontal extension;
The 1st guide member is fixed in above-mentioned support component, according to the 1st application point of above-mentioned the 1st arm along the mode that optical axis direction moves, guide the 1st arm, the 1st application point is given driving force to above-mentioned the 1st drive point,
Above-mentioned the 2nd driving mechanism comprises:
The 2nd arm, it supports above-mentioned the 2nd drive point in the mode of rotating freely;
The 2nd coil, it is kept by above-mentioned the 2nd arm, is subjected to the effect of magnetic force and energising and generates the driving force of optical axis direction, so that the 2nd arm drives above-mentioned the 2nd drive point at optical axis direction;
The 2nd magnet is kept by above-mentioned support component, makes magneticaction in above-mentioned the 2nd coil, with respect to optical axis, and horizontal extension;
The 2nd guide member is fixed in above-mentioned support component, according to the 2nd application point of above-mentioned the 2nd arm along the mode that optical axis direction moves, guide the 2nd arm, the 2nd application point is given driving force to above-mentioned the 2nd drive point,
This image blur correcting unit also possesses:
The 1st sensor is supported by above-mentioned the 1st arm, detects the variation from the suffered magnetic force of above-mentioned the 1st magnet, the 1st arm the moving at optical axis direction the when variation of this magnetic force drives above-mentioned the 1st drive point based on the 1st arm; With
The 2nd sensor is supported by above-mentioned the 2nd arm, detects the variation from the suffered magnetic force of above-mentioned the 2nd magnet, the 2nd arm the moving at optical axis direction the when variation of this magnetic force drives above-mentioned the 2nd drive point based on the 2nd arm.
2. image blur correcting unit according to claim 1 is characterized in that,
Above-mentioned maintenance module not only keeps lens, and keeps catching object light and generate the imageing sensor of picture signal.
3. image blur correcting unit according to claim 1 is characterized in that,
Above-mentioned the 1st drive point and above-mentioned the 2nd drive point, at the line segment that connects the 1st drive point and above-mentioned axle point and the line segment that is connected the 2nd drive point and above-mentioned axle point mutually with slightly each position formation of 90 angular cross of spending.
4. image blur correcting unit according to claim 1 is characterized in that,
Above-mentioned maintenance module has spherical protuberance at above-mentioned axle point, and above-mentioned support component has the spherical concave surface that bears this protuberance in above-mentioned support portion.
5. image blur correcting unit according to claim 1 is characterized in that,
Above-mentioned maintenance module, has spherical protuberance respectively at above-mentioned the 1st drive point and above-mentioned the 2nd drive point, above-mentioned the 1st arm and above-mentioned the 2nd arm, have each the spherical recess that bears each protuberance that the 1st drive point and the 2nd drive point possessed respectively at above-mentioned the 1st application point and above-mentioned the 2nd application point, the 1st arm and the 2nd arm apply driving force by this each recess to this each protuberance.
6. an image blur correction device possesses the described image blur correcting unit of claim 1,
Also possess:
Detect the shake test section of shake; With
The shake control part according to the testing result of above-mentioned shake test section, makes the above-mentioned maintenance module of above-mentioned 2 driving mechanism rotating drive.
7. camera,
Possess the described image blur correction device of claim 6, catch subject and generate by the action of this image blur correction device and reduce view data after the shake.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007035341A JP2008197571A (en) | 2007-02-15 | 2007-02-15 | Image blur correction unit, image blur correction device, and imaging device |
| JP2007-035341 | 2007-02-15 | ||
| JP2007035341 | 2007-02-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101246293A CN101246293A (en) | 2008-08-20 |
| CN101246293B true CN101246293B (en) | 2011-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100030266A Expired - Fee Related CN101246293B (en) | 2007-02-15 | 2008-01-10 | Image stabilization unit, image stabilization device, and imaging apparatus |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7643741B2 (en) |
| JP (1) | JP2008197571A (en) |
| CN (1) | CN101246293B (en) |
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| US20060275521A1 (en) * | 2005-06-03 | 2006-12-07 | Chau-Jong Wang | Hibiscus anthocyanins for inhibiting cancers |
| JP2008310175A (en) * | 2007-06-15 | 2008-12-25 | Fujinon Corp | Image blur correction unit, image blur correction device, photographing device and portable apparatus |
| JP2008310172A (en) * | 2007-06-15 | 2008-12-25 | Fujinon Corp | Image blur correction unit, image blur correction device, photographing device and portable apparatus |
| KR100935312B1 (en) * | 2008-06-09 | 2010-01-06 | 삼성전기주식회사 | Optical image stabilizing apparatus for micro camera module |
| TW201030370A (en) * | 2008-09-29 | 2010-08-16 | Nidec Copal Corp | Image blur correction device, imaging lens unit, and camera unit |
| JP5542681B2 (en) * | 2008-10-14 | 2014-07-09 | 日本電産サンキョー株式会社 | Optical unit with shake correction function, optical device, and manufacturing method of optical unit with shake correction function |
| KR101529729B1 (en) * | 2008-11-19 | 2015-06-30 | 삼성전자주식회사 | Optical image stabilizer for camera module |
| TWI386756B (en) * | 2008-12-26 | 2013-02-21 | Hon Hai Prec Ind Co Ltd | Image sensor support |
| WO2010082555A1 (en) * | 2009-01-14 | 2010-07-22 | 日本電産コパル株式会社 | Image blur correction apparatus and image pickup unit having image blur correction apparatus |
| JP5090410B2 (en) | 2009-03-04 | 2012-12-05 | 株式会社リコー | Image blur correction device, lens barrel, imaging device, and portable information terminal |
| CN101944817B (en) * | 2009-07-06 | 2013-04-24 | 鸿富锦精密工业（深圳）有限公司 | Actuator and camera module having same |
| CN101959012B (en) * | 2009-07-17 | 2013-08-21 | 鸿富锦精密工业（深圳）有限公司 | Camera module |
| TWI480579B (en) * | 2009-07-24 | 2015-04-11 | Hon Hai Prec Ind Co Ltd | Camera module |
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| JP2011197411A (en) * | 2010-03-19 | 2011-10-06 | Olympus Corp | Imaging module |
| JP5079836B2 (en) * | 2010-03-24 | 2012-11-21 | 台灣東電化股▲ふん▼有限公司 | Anti-shake structure of lens autofocus module |
| TWI485459B (en) * | 2010-08-12 | 2015-05-21 | Hon Hai Prec Ind Co Ltd | Imaging device |
| JP5722265B2 (en) * | 2012-03-28 | 2015-05-20 | オリンパス株式会社 | Movable member control device and imaging device including the same |
| KR102166232B1 (en) * | 2013-07-04 | 2020-10-15 | 삼성전자 주식회사 | Method for correcting tilt of camera module, and apparatus for supporting the same |
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| US9659700B2 (en) | 2015-09-21 | 2017-05-23 | Microsoft Technology Licensing, Llc | Neutralizing external magnetic forces on an OIS module |
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| US11681202B2 (en) * | 2019-08-16 | 2023-06-20 | Samsung Electro-Mechanics Co., Ltd. | Camera module |
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| JP3103572B2 (en) * | 1990-01-16 | 2000-10-30 | オリンパス光学工業株式会社 | Camera device |
| JP2612371B2 (en) | 1990-07-12 | 1997-05-21 | 三菱電機株式会社 | Image stabilization device |
| JPH07274056A (en) | 1994-03-25 | 1995-10-20 | Sony Corp | Hand shake correction device for camera |
| JP2005326807A (en) * | 2004-04-12 | 2005-11-24 | Konica Minolta Photo Imaging Inc | Camera incorporating lens barrel |
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| JP2008089876A (en) * | 2006-09-29 | 2008-04-17 | Fujinon Corp | Image blur correction unit, image blur correction device, and photographing apparatus |
| US7952613B2 (en) * | 2006-09-29 | 2011-05-31 | Fujinon Corporation | Image blur correcting unit, image blur correcting device, image pickup apparatus and portable equipment |
-
2007
- 2007-02-15 JP JP2007035341A patent/JP2008197571A/en not_active Withdrawn
-
2008
- 2008-01-10 US US11/972,525 patent/US7643741B2/en not_active Expired - Fee Related
- 2008-01-10 CN CN2008100030266A patent/CN101246293B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20080198462A1 (en) | 2008-08-21 |
| JP2008197571A (en) | 2008-08-28 |
| US7643741B2 (en) | 2010-01-05 |
| CN101246293A (en) | 2008-08-20 |
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